When the air-conditioned environment became so common, the travel comfort in buses became equal to flight travel standards. Bus air-con systems give much comfort and save the passengers from external weather uncertainties on the move. In this modern world, most travelers consider the AC environment as a necessity rather than a luxury. Since all the window panels are completely sealed, the AC buses can provide a quieter travel experience, and this will circumvent the fatigue during the journey. As a result, a passenger can complete his journey in a fresh feeling.